The core demand for night cycling

1. Safe navigation: Identify road obstacles (potholes, gravel), traffic signs, pedestrians or animals.

2. Environmental perception: Clearly observe the surrounding vehicles, curves, steep slopes or the edges of cliffs.

3. Color recognition: Distinguish the colors of traffic lights, reflective signs, and warning uniforms (such as red/yellow).

4. Portability and operation: The device should be lightweight and able to be fixed to a helmet or handlebars without affecting the riding control.